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Finding the Fourth Proportional to 372,830.92, 514,330.77 and 252,014.38

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Solution

The fourth proportional to 372,830.92, 514,330.77 and 252,014.38 is: 347,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,830.92 : 514,330.77 = 252,014.38 : x
  2. Step 2: Convert to fraction form
    372,830.92/514,330.77 = 252,014.38/x
  3. Step 3: Cross multiply
    372,830.92x = 514,330.77 × 252,014.38
  4. Step 4: Simplify right side
    372,830.92x = 129,618,750,116.47
  5. Step 5: Solve for x
    x = 129,618,750,116.47/372,830.92
  6. Step 6: Final answer
    x = 347,660.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.